INTEGRATED ADAPTIVE CAPACITY CONTROL FOR A STEAM TURBINE POWERED CHILLER UNIT

A control system for a steam turbine driven chiller unit (10) is provided. The control system automatically utilizes the full range of the governor (48), compressor pre-rotation vanes (80), and hot gas bypass valve (84) capabilities to control the capacity of the chiller (10) and provide anti-surge...

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Bibliographische Detailangaben
Hauptverfasser:	PETROSKIE, DANIEL J, THOMPSON, RUSSELL MARK, SHAFFER, DENNIS LEE, KACHMAR, STEPHEN MICHAEL, SMYDER, ERIC JOHN, ROBERTS, BRENDA JANE, EISENSMITH, RYAN PERRY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS COMBINED HEATING AND REFRIGERATION SYSTEMS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT PUMP SYSTEMS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MACHINES OR ENGINES IN GENERAL MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A control system for a steam turbine driven chiller unit (10) is provided. The control system automatically utilizes the full range of the governor (48), compressor pre-rotation vanes (80), and hot gas bypass valve (84) capabilities to control the capacity of the chiller (10) and provide anti-surge and override control functions to prevent undesirable operational ranges while maintaining maximum efficiency of operation. La présente invention a trait à un système de commande pour une unité de refroidissement commandée par une turbine à vapeur (10). Le système de commande assure l'utilisation automatique de la gamme totale des capacités de régulateur (48), d'aubes de pré-rotation de compresseur (80), et de robinet de dérivation de gaz chaud (84) pour la commande de la capacité du refroidisseur (10) et assure des fonctions contre la surpression et le surpassement pour empêcher des plages opérationnelles indésirables tout en maintenant une efficacité maximale de fonctionnement.